<?php

namespace app\admin\controller\goods;

use app\admin\model\goods\GoodsCategoryModel;
use app\admin\model\goods\GoodsSkuModel;
use app\common\controller\Backend;
use think\Db;
use think\exception\DbException;
use think\exception\PDOException;
use think\exception\ValidateException;
use think\response\Json;

/**
 * 商品管理
 *
 * @icon fa fa-circle-o
 */
class Goods extends Backend
{

    /**
     * GoodsModel模型对象
     * @var \app\admin\model\goods\GoodsModel
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\goods\GoodsModel;
        $this->view->assign("statusList", $this->model->getStatusList());
    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
     *
     * @return string|Json
     * @throws \think\Exception
     * @throws DbException
     */
    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        //如果发送的来源是 Selectpage，则转发到 Selectpage
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        $list = $this->model
            ->where($where)
            ->order($sort, $order)
            ->paginate($limit);

        foreach ($list->items() as &$item) {
            $item['category_name'] = GoodsCategoryModel::where('id', $item['category_id'])->value('name');

        }

        $result = ['total' => $list->total(), 'rows' => $list->items()];
        return json($result);
    }

    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);

        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }

        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);

            $sku = input('post.sku');
            if (!empty($sku)) {
                $sku = json_decode($sku, 1);
                $sku_data = [];
                foreach ($sku as $item) {
                    $sku_data[] = [
                        'goods_id' => $this->model->id,
                        'sku_name' => $item['sku_name'],
                        'data' => json_encode($item['attributes']),
                    ];
                }
                $goodsSkuModel = new GoodsSkuModel();
                $goodsSkuModel->insertAll($sku_data);
            }

            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }


    /**
     * 编辑
     *
     * @param $ids
     * @return string
     * @throws DbException
     * @throws \think\Exception
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if (false === $this->request->isPost()) {

            $sku_data = GoodsSkuModel::where('goods_id', $row['id'])
                ->group('sku_name')->select();
            $attr = [];
            foreach ($sku_data as &$value) {
                $attr[] = [
                    'sku_name' => $value['sku_name'],
                    'data' => GoodsSkuModel::where('goods_id', $value['goods_id'])->where('sku_name', $value['sku_name'])
                        ->field('en_name,cn_name,price')->select()
                ];

            }

            $this->view->assign('sku_data', $attr);
            $this->view->assign('row', $row);
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.edit' : $name) : $this->modelValidate;
                $row->validateFailException()->validate($validate);
            }


            $goodsSkuModel = new GoodsSkuModel();
            $goodsSkuModel->where('goods_id', $row['id'])->delete();

            $sku = input('post.sku');
            if (!empty($sku)) {
                $sku = json_decode($sku, 1);
                $sku_data = [];
                foreach ($sku as $item) {
                    foreach ($item['attributes'] as $v) {
                        $sku_data_child['goods_id'] = $row['id'];
                        $sku_data_child['sku_name'] = $item['sku_name'];
                        $sku_data_child['en_name'] = $v['en_name'] ?? '';
                        $sku_data_child['cn_name'] = $v['cn_name'] ?? '';
                        $sku_data_child['price'] = $v['price'] ?? 0;
                        $sku_data_child['data'] = $v['en_name'] ? json_encode($v, 256) : '';
                        $sku_data[] = $sku_data_child;
                    }
                }
                $goodsSkuModel->insertAll($sku_data);
            }

            $result = $row->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if (false === $result) {
            $this->error(__('No rows were updated'));
        }
        $this->success('修改成功');
    }

}
